/*
 * Copyright 2013 Sigurd Randoll.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.digiway.rapidbreeze.server.model.download;

import de.digiway.rapidbreeze.shared.rest.download.DownloadStatus;
import java.util.EventObject;

/**
 * An event which contains information about a new {@linkplain DownloadStatus}
 * and the previous status and an optional exceptional information.
 *
 * @author Sigurd
 */
public class DownloadEvent extends EventObject {

    private DownloadStatus oldStatus;
    private DownloadStatus newStatus;
    private Exception exception;

    public DownloadEvent(Object source, DownloadStatus oldStatus, DownloadStatus newStatus, Exception ex) {
        super(source);
        this.oldStatus = oldStatus;
        this.newStatus = newStatus;
        this.exception = ex;
    }

    public Exception getException() {
        return exception;
    }

    public DownloadStatus getNewStatus() {
        return newStatus;
    }

    public DownloadStatus getOldStatus() {
        return oldStatus;
    }

    @Override
    public String toString() {
        return "DownloadEvent{" + "oldStatus=" + oldStatus + ", newStatus=" + newStatus + ", exception=" + exception + '}';
    }
}
